DeWalt DW 443 Owner's manual

Category
Power tools
Type
Owner's manual

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Copyright DEWALT
ENGLISH
21
RIGHT ANGLE RANDOM ORBIT SANDER
DW443
Congratulations!
You have chosen a DEWALT tool. Years of
experience, thorough product development and
innovation make DEWALT one of the most reliable
partners for professional power tool users.
Technical Data
DW443
Voltage V 230
Type 2
Power input W 530
Pad diameter mm 150
Orbits min
-1
4,000–7,600
Orbit mm 5
Dust extraction dustbag/
vacuum extractor
Weight kg 2.7
L
PA
(sound pressure) dB(A)
85
K
PA
(sound pressure uncertainty) dB(A)
3
L
WA
(sound power) dB(A)
96
K
WA
(sound power uncertainty) dB(A)
5.2
Vibration total values (triax vector sum) determined
according to EN 60745:
Vibration emission value a
h
a
h
=
m/s²
4.5
Uncertainty K = m/s²
1.5
The vibration emission level given in this information
sheet has been measured in accordance with a
standardised test given in EN 60745 and may be
used to compare one tool with another. It may be
used for a preliminary assessment of exposure.
WARNING: The declared vibration
emission level represents the main
applications of the tool. However if the
tool is used for different applications,
with different accessories or poorly
maintained, the vibration emission may
differ. This may significantly increase the
exposure level over the total working
period.
An estimation of the level of exposure to
vibration should also take into account
the times when the tool is switched off
or when it is running but not actually
doing the job. This may significantly
reduce the exposure level over the total
working period.
Identify additional safety measures to
protect the operator from the effects of
vibration such as: maintain the tool and
the accessories, keep the hands warm,
organisation of work patterns.
Fuses:
Europe 230 V tools 10 Amperes, mains
U.K. & Ireland 230 V tools 13 Amperes, in plugs
Defi nitions: Safety Guidelines
The definitions below describe the level of severity
for each signal word. Please read the manual and
pay attention to these symbols.
DANGER: Indicates an imminently
hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING: Indicates a potentially
hazardous situation which, if not
avoided, could result in death or
serious injury.
CAUTION: Indicates a potentially
hazardous situation which, if not
avoided, may result in minor or
moderate injury.
NOTICE: Indicates a practice not
related to personal injury which, if
not avoided, may result in property
damage.
Denotes risk of electric shock.
Denotes risk of fire.
Denotes risk of explosion
ENGLISH
22
EC-Declaration of Conformity
MACHINERY DIRECTIVE
DW443
D
EWALT declares that these products described
under “technical data” are in compliance with:
2006/42/EC, EN 60745-1, EN 60745-2-4
These products also comply with Directive
2004/108/EC. For more information, please contact
DEWALT at the following address or refer to the
back of the manual.
The undersigned is responsible for compilation of the
technical file and makes this declaration on behalf of
DEWALT.
Horst Grossmann
Vice President Engineering and Product
Development
DEWALT, Richard-Klinger-Straße 11,
D-65510, Idstein, Germany
31.12.2009
WARNING: To reduce the risk of injury,
read the instruction manual.
General Power Tool Safety Warnings
WARNING! Read all safety warnings
and instructions Failure to follow the
warnings and instructions may result in
electric shock, fire and/or serious injury.
SAVE ALL WARNINGS AND INSTRUCTIONS
FOR FUTURE REFERENCE
The term “power tool” in the warnings refers
to your mains-operated (corded) power tool or
battery-operated (cordless) power tool.
1) WORK AREA SAFETY
a) Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
b) Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power
tools create sparks which may ignite the dust
or fumes.
c) Keep children and bystanders away while
operating a power tool. Distractions can
cause you to lose control.
2) ELECTRICAL SAFETY
a) Power tool plugs must match the outlet.
Never modify the plug in any way. Do
not use any adapter plugs with earthed
(grounded) power tools. Unmodified plugs
and matching outlets will reduce risk of
electric shock.
b) Avoid body contact with earthed or
grounded surfaces such as pipes,
radiators, ranges and refrigerators. There
is an increased risk of electric shock if your
body is earthed or grounded.
c) Do not expose power tools to rain or wet
conditions. Water entering a power tool will
increase the risk of electric shock.
d) Do not abuse the cord. Never use the
cord for carrying, pulling or unplugging
the power tool. Keep cord away from
heat, oil, sharp edges or moving parts.
Damaged or entangled cords increase the
risk of electric shock.
e) When operating a power tool outdoors,
use an extension cord suitable for outdoor
use. Use of a cord suitable for outdoor use
reduces the risk of electric shock.
f) If operating a power tool in a damp
location is unavoidable, use a residual
current device (RCD) protected supply.
Use of an RCD reduces the risk of electric
shock.
3) PERSONAL SAFETY
a) Stay alert, watch what you are doing and
use common sense when operating a
power tool. Do not use a power tool while
you are tired or under the influence of
drugs, alcohol or medication. A moment of
inattention while operating power tools may
result in serious personal injury.
b) Use personal protective equipment.
Always wear eye protection. Protective
equipment such as dust mask, non-skid
safety shoes, hard hat, or hearing protection
used for appropriate conditions will reduce
personal injuries.
c) Prevent unintentional starting. Ensure
the switch is in the off position before
connecting to power source and/or
battery pack, picking up or carrying the
tool. Carrying power tools with your finger
on the switch or energising power tools that
have the switch on invites accidents.
d) Remove any adjusting key or wrench
before turning the power tool on. A
ENGLISH
23
wrench or a key left attached to a rotating
part of the power tool may result in personal
injury.
e) Do not overreach. Keep proper
footing and balance at all times. This
enables better control of the power tool in
unexpected situations.
f) Dress properly. Do not wear loose
clothing or jewellery. Keep your hair,
clothing and gloves away from moving
parts. Loose clothes, jewellery or long hair
can be caught in moving parts.
g) If devices are provided for the connection
of dust extraction and collection facilities,
ensure these are connected and properly
used. Use of dust collection can reduce
dust-related hazards.
4) POWER TOOL USE AND CARE
a) Do not force the power tool. Use the
correct power tool for your application.
The correct power tool will do the job
better and safer at the rate for which it
was designed.
b) Do not use the power tool if the switch
does not turn it on and off. Any power
tool that cannot be controlled with the switch
is dangerous and must be repaired.
c) Disconnect the plug from the power
source and/or the battery pack from
the power tool before making any
adjustments, changing accessories, or
storing power tools. Such preventive safety
measures reduce the risk of starting the
power tool accidentally.
d) Store idle power tools out of the reach
of children and do not allow persons
unfamiliar with the power tool or these
instructions to operate the power tool.
Power tools are dangerous in the hands of
untrained users.
e) Maintain power tools. Check for
misalignment or binding of moving parts,
breakage of parts and any other condition
that may affect the power tool’s operation.
If damaged, have the power tool repaired
before use. Many accidents are caused by
poorly maintained power tools.
f) Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp
cutting edges are less likely to bind and are
easier to control.
g) Use the power tool, accessories and
tool bits etc., in accordance with these
instructions taking into account the
working conditions and the work to
be performed. Use of the power tool for
operations different from those intended
could result in a hazardous situation.
5) SERVICE
a) Have your power tool serviced by a
qualified repair person using only identical
replacement parts. This will ensure that the
safety of the power tool is maintained.
Additional Specifi c Safety Rules for
Right Angle Random Orbit Sanders
Hold power tools by insulated gripping
surfaces when performing an operation
where the cutting tool may contact hidden
wiring or its own cord. Cutting accessory
contacting a “live” wire may make exposed
metal parts of the tool “live” and shock the
operator.
Take special care when sanding some woods
(e.g. beech, oak) and metal which may produce
toxic dust. Wear a dust mask specifically
designed for protection against toxic dust
and fumes and ensure that persons within or
entering the work area are also protected.
PRECAUTIONS TO TAKE WHEN SANDING PAINT
1. Sanding of lead based paint is NOT
RECOMMENDED due to the difficulty of
controlling the contaminated dust. The
greatest danger of lead poisoning is to
children and pregnant women.
2. Since it is difficult to identify whether or not
a paint contains lead without a chemical
analysis, we recommend the following
precautions when sanding any paint:
PERSONAL SAFETY
1. No children or pregnant women should enter
the work area where the paint sanding is
being done until all clean up is completed.
2. A dust mask or respirator should be worn
by all persons entering the work area. The
filter should be replaced daily or whenever
the wearer has difficulty breathing. See your
local hardware store for the proper NIOSH-
approved dust mask.
3. NO EATING, DRINKING or SMOKING should
be done in the work area to prevent ingesting
contaminated paint particles. Workers
should wash and clean up BEFORE eating,
drinking or smoking. Articles of food, drink,
or smoking should not be left in the work
area where dust would settle on them.
ENGLISH
24
ENVIRONMENTAL SAFETY
1. Paint should be removed in such a
manner as to minimize the amount of dust
generated.
2. Areas where paint removal is occurring
should be sealed with plastic sheeting of
4 mils thickness.
3. Sanding should be done in a manner to
reduce tracking of paint dust outside the
work area.
CLEANING AND DISPOSAL
1. All surfaces in the work area should be
vacuumed and thoroughly cleaned daily for
the duration of the sanding project. Vacuum
filter bags should be changed frequently.
2. Plastic drop cloths should be gathered up
and disposed of along with any dust chips
or other removal debris. They should be
placed in sealed refuse receptacles and
disposed of through regular trash pick-up
procedures. During clean up, children and
pregnant women should be kept away from
the immediate work area.
3. All toys, washable furniture and utensils used
by children should be washed thoroughly
before being used again.
Residual Risks
In spite of the application of the relevant safety
regulations and the implementation of safety
devices, certain residual risks cannot be avoided.
These are:
Impairment of hearing .
Risk of personal injury due flying particles.
Risk of burns due to accessories becoming hot
during operation.
Risk of personal injury due to prolonged use.
Markings on Tool
The following pictograms are shown on the tool:
Read instruction manual before use.
DATE CODE POSITION (FIG. 1)
The Date Code (l), which also includes the year of
manufacture, is printed into the housing.
Example:
2010 XX XX
Year of Manufacture
Package Contents
The package contains:
1 Right angle random orbit sander
1 Dustbag
1 Vacuum extractor adaptor
1 Side handle
1 Sheet of sanding paper
1 Instruction manual
1 Exploded drawing
Check for damage to the tool, parts or
accessories which may have occurred during
transport.
Take the time to thoroughly read and
understand this manual prior to operation.
Description (fi g. 1)
WARNING: Never modify the power
tool or any part of it. Damage or
personal injury could result.
a. On/off switch
b. Electronic speed control dial
c. Dustbag
d. Vacuum extractor adaptor (option)
e. Dustbag adaptor
f. Side handle
g. Dust extractor spout
h. Hook and loop sanding pad
i. Dust channel
j. Main handle
INTENDED USE
Your DEWALT DW443 right angle random orbit
sander has been designed for proffesional sanding
of wood and plastics.
DO NOT use under wet conditions or in presence of
flammable liquids or gases.
The right angle random orbit sander is a professional
power tool.
DO NOT let children come into contact with the
tool. Supervision is required when inexperienced
operators use this tool.
Electrical Safety
The electric motor has been designed for one
voltage only. Always check that the power supply
corresponds to the voltage on the rating plate.
ENGLISH
25
Your DEWALT tool is double insulated in
accordance with EN 60745; therefore no
earth wire is required.
If the supply cord is damaged, it must be replaced
by a specially prepared cord available through the
DEWALT service organisation.
Mains Plug Replacement
(U.K. & Ireland Only)
If a new mains plug needs to be fitted:
Safely dispose of the old plug.
Connect the brown lead to the live terminal in
the plug.
Connect the blue lead to the neutral terminal.
WARNING: No connection is to be
made to the earth terminal.
Follow the fitting instructions supplied with good
quality plugs. Recommended fuse: 13 A.
Using an Extension Cable
If an extension cable is required, use an approved
3–core extension cable suitable for the power
input of this tool (see technical data).The minimum
conductor size is 1.5 mm
2
; the maximum length is
30 m.
When using a cable reel, always unwind the cable
completely.
ASSEMBLY AND ADJUSTMENTS
WARNING: To reduce the risk of
injury, turn unit off and disconnect
machine from power source before
installing and removing accessories,
before adjusting or changing set-
ups or when making repairs. Be sure
the trigger switch is in the OFF position.
An accidental start-up can cause injury.
Fitting Sanding Discs (fi g. 2)
Your sander uses 150 mm hook and loop sanding
discs with a 6 hole dust extraction pattern.
1. Place the sander on a table, sanding pad (h) up.
2. Place the sanding disc directly on top of the
sanding pad.
3. Hold the sanding pad (h) with one hand and
align the dust extraction holes (k).
Electronic Speed Control Dial (fi g. 3)
Your sander is equipped with an electronic speed
control dial (b) with 5 positions. Generally, harder
materials require a higher setting. The correct set-
ting, however, is a matter of experience.
FITTING THE SIDE HANDLE (FIG. 4)
1. Remove the plastic screw (o).
2. Mount the side handle (f) on either side of the
tool.
Dust Extraction
Since woodworking with a sander produces dust,
always install the dustbag or connect a vacuum
extractor designed in compliance with the applicable
directives regarding dust emission. Proper dust
extraction will only be achieved with perforated
abrasive.
WARNING: Do not use a dustbag or
vacuum extractor when sanding metal.
WARNING: Do not sand magnesium!
Dustbag (fi g. 1)
Attach the dustbag (c) with the dustbag adaptor (e)
to the dust extraction spout (g). For efficient dust
extraction empty the bag when it is about one third
full.
Vacuum Extractor (fi g. 5)
1. Remove the dustbag adaptor (e) by pulling it
firmly off the dust extraction spout (g).
2. Attach the vacuum extractor adaptor (d) to the
dust extraction spout (g).
3. Connect the vacuum extractor to the vacuum
extractor adaptor (d).
OPERATION
Instructions for Use
WARNING: Always observe the safety
instructions and applicable regulations.
WARNING: Apply only a gentle
pressure to the workpiece. Excessive
pressure does not improve the sanding
effect, but only results in an increased
load on the machine and causes the
abrasive to tear.
WARNING: Avoid overloading.
ENGLISH
26
Proper Hand Position (fi g. 1, 7)
WARNING: To reduce the risk of
serious personal injury, ALWAYS use
proper hand position as shown.
WARNING: To reduce the risk of
serious personal injury, ALWAYS hold
securely in anticipation of a sudden
reaction.
Proper hand position requires one hand on the side
handle (f), with the other hand on the main handle (j).
Sanding (fi g. 1)
This random orbit sander produces small scratch
marks in all directions. Therefore, it is not necessary
to sand with the grain.
1. If necessary, fit the side handle (f).
2. Set the sanding speed using the electronic
speed control dial (b).
3. Turn the sander on using the on/off switch (a).
I = on
O = off
4. Start with the coarsest grit size.
5. Check your work at short intervals.
6. Always switch off the tool when work is finished
and before unplugging.
MAINTENANCE
Your DEWALT power tool has been designed to
operate over a long period of time with a minimum
of maintenance. Continuous satisfactory operation
depends upon proper tool care and regular cleaning.
WARNING: To reduce the risk of
injury, turn unit off and disconnect
machine from power source before
installing and removing accessories,
before adjusting or changing set-
ups or when making repairs. Be sure
the trigger switch is in the OFF position.
An accidental start-up can cause injury.
Replacing the Sanding Pad and the
Speed Limiter Disc (fi g. 6)
Both the sanding pad (h) and the speed limiter disc
(m) are consumable parts. The sanding pad needs
replacement when signs of wear become evident.
The speed limiter disc needs replacement when the
sanding pad speed increases dramatically when
lifting the sander off the workpiece.
1. Unplug the tool.
2. Loosen the 4 hex head screws (n) and remove
the pad.
3. Replace the sanding pad (h) and/or speed
limiter disc (m) and tighten the Hex head screws
(n), making sure the speed limiter disc is aligned
properly.
Lubrication
Your power tool requires no additional lubrication.
Cleaning
WARNING: Blow dirt and dust out of
the main housing with dry air as often as
dirt is seen collecting in and around the
air vents. Wear approved eye protection
and approved dust mask when
performing this procedure.
WARNING: Never use solvents or
other harsh chemicals for cleaning the
non-metallic parts of the tool. These
chemicals may weaken the materials
used in these parts. Use a cloth
dampened only with water and mild
soap. Never let any liquid get inside the
tool; never immerse any part of the tool
into a liquid.
Optional Accessories
WARNING: Since accessories, other
than those offered by DEWALT, have
not been tested with this product, use
of such accessories with this tool could
be hazardous. To reduce the risk of
injury, only DEWALT, recommended
accessories should be used with this
product.
Consult your dealer for further information on the
appropriate accessories.
Protecting the Environment
Separate collection. This product must
not be disposed of with normal
household waste.
ENGLISH
27
Should you find one day that your DEWALT product
needs replacement, or if it is of no further use to you,
do not dispose of it with household waste. Make this
product available for separate collection.
Separate collection of used products
and packaging allows materials to be
recycled and used again. Re-use of
recycled materials helps prevent
environmental pollution and reduces
the demand for raw materials.
Local regulations may provide for separate collection
of electrical products from the household, at
municipal waste sites or by the retailer when you
purchase a new product.
D
EWALT provides a facility for the collection and
recycling of DEWALT products once they have
reached the end of their working life. To take
advantage of this service please return your product
to any authorised repair agent who will collect them
on our behalf.
You can check the location of your nearest
authorised repair agent by contacting your local
DEWALT office at the address indicated in this
manual. Alternatively, a list of authorised DEWALT
repair agents and full details of our after-sales
service and contacts are available on the Internet at:
www.2helpU.com.
GUARANTEE
DEWALT is confident of the quality of its
products and offers an outstanding guarantee
for professional users of the product. This
guarantee statement is in addition to and in
no way prejudices your contractual rights as a
professional user or your statutory rights as a
private non-professional user. The guarantee
is valid within the territories of the Member
States of the European Union and the
European Free Trade Area.
30 DAY NO RISK SATISFACTION GUARANTEE
If you are not completely satisfied with the
performance of your D
EWALT tool, simply
return it within 30 days, complete with all
original components, as purchased, to
the point of purchase, for a full refund or
exchange. The product must have been
subject to fair wear and tear and proof of
purchase must be produced.
ONE YEAR FREE SERVICE CONTRACT
If you need maintenance or service for your
D
EWALT tool, in the 12 months following
purchase, you are entitled to one service free
of charge. It will be undertaken free of charge
at an authorised DEWALT repair agent. Proof
of purchase must be produced. Includes
labour. Excludes accessories and spare parts
unless failed under warranty.
ONE YEAR FULL WARRANTY
If your D
EWALT product becomes defective
due to faulty materials or workmanship
within 12 months from the date of purchase,
DEWALT guarantees to replace all defective
parts free of charge or – at our discretion –
replace the unit free of charge provided that:
The product has not been misused;
The product has been subject to fair
wear and tear;
Repairs have not been attempted by
unauthorised persons;
Proof of purchase is produced.
The product is returned complete with all
original components
If you wish to make a claim, contact your
seller or check the location of your nearest
authorised DEWALT repair agent in the
DEWALT catalogue or contact your DEWALT
office at the address indicated in this manual.
A list of authorised DEWALT repair agents and
full details of our after-sales service is available
on the Internet at: www.2helpU.com
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DeWalt DW 443 Owner's manual

Category
Power tools
Type
Owner's manual
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